Graphing Calculator

A TI-84-style calculator for Math Geeks students. Works on phones, tablets, and computers.

GRAPHING CALCULATOR
How to use
  • Calculate: type an expression and press ENTER. 2ND + ENTER recalls earlier entries; (−) is the negative sign.
  • Graph: press Y=, type functions using X,T,θ,n for X, then press GRAPH. WINDOW and ZOOM (6 = ZStandard) set the view.
  • Trace: TRACE, then ◀ ▶ to move and ▲ ▼ to switch functions. Type a number to jump to that X.
  • Zeros, min/max, intersections: 2ND + TRACE (CALC), then set Left Bound, Right Bound, and Guess with ENTER.
  • Table: 2ND + GRAPH. Set the start value and step with 2ND + WINDOW (TBLSET).
  • Store variables: STO→ then a letter, e.g. 5 STO→ A.
  • Keyboard (click the calculator first): digits and + − * / ^ ( ) , . work as usual, Enter = ENTER, Backspace = DEL, Esc = CLEAR, ~ = (−), letters = variables.

Learning tool by Math Geeks Tutoring. Not affiliated with or endorsed by Texas Instruments; TI-84 is a trademark of Texas Instruments.